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Does anybody if the Anycube Mega X comes with a nozzle for 1.75 mm filaments or is it 2.85 mm? I saw online that it works with 1.75 mm filaments but the Cura settings given by the manufacturer had 2.85 mm.

I should mention that using a 1.75 mm filament works BUT my designs have clear under-extrusion, which is very likely caused by having 2.85 mm in the settings. So at this moment, I am trying to gauge whether to change the settings to 1.75 mm or buying 2.85 mm filaments (this only works if the Mega X comes with the appropriate nozzle).

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  • $\begingroup$ You can change the diameter of consumables to your own when you slice with Cura software $\endgroup$ – Jieyi Apr 26 at 4:01
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Reading all 49 pages of the manual was fruitless. I'm astonished that there is no reference to the filament diameter used in this printer.

From 3dJake's web site comes a confirmation that the printer uses 1.75 mm filament.

It's not a matter of changing a nozzle to use 2.85 mm filament, as the entire filament path is based, in this printer, on the 1.75 mm specification.

To find 3Djake's site, I used "anycubic mega x filament diameter" as the search terms. Many other links appeared, confirming the 1.75 mm filament size.

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  • $\begingroup$ Thank you so much! $\endgroup$ – Braulio Antonio Apr 25 at 0:50
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This is a well-known problem with Cura. The filament diameter is set to 2.85 mm by default (probably because Ultimaker printers use 2.85 mm filament). This will cause extreme under-extrusion if your printer uses 1.75 mm filament. Simply change the filament diameter to 1.75 mm in Cura's printer definition, and everything should be fine.

Older versions of Cura would reset the filament diameter to 2.85 mm if you installed an update or new release, but I think the Ultimaker have fixed that annoying little bug.

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